2023-2025 Audi SOS Emergency Call Malfunction TSB

Symptoms

Owners of affected 2023-2025 Audi vehicles may notice a specific warning message appearing on their instrument cluster. This message indicates a problem with the vehicle's emergency call system.

• "A SOS Emergency Call malfunction is displayed on the instrument cluster."

This warning suggests that the SOS emergency call function may not operate correctly if needed.

Fault Codes / DTCs

When an Audi SOS malfunction occurs, a specific diagnostic trouble code (DTC) will be stored in the vehicle's control module, specifically the -J949- unit. This code helps technicians identify the root cause of the issue.

Code	Description	Module
B1916F5	Backup battery service life exceeded	-J949-

Diagnosis and Trigger Conditions

The presence of DTC B1916F5 indicates that the backup battery within the Emergency Call Module and Communication Unit (ConBox) has exceeded its service life. This condition triggers the Audi SOS malfunction message. Audi's technical background suggests that complete ConBox replacements are necessary to further analyze the root cause of this DTC entry.

Repair Procedure Summary

To address the Audi SOS malfunction and DTC B1916F5, the recommended repair, as outlined in Technical Service Bulletin 2072457/3, involves replacing the Emergency Call Module and Communication Unit (ConBox) -J949-. Technicians are instructed to perform this replacement according to the official repair manual.

Required Parts

Specific part numbers for the Emergency Call Module and Communication Unit (ConBox) are required, depending on the model year of the vehicle.

• 4KE035283G: For MY 2023 vehicles.
• 4KE035283L: For MY 2024/2025 vehicles.

Fasteners, bolts, nuts, and screws as needed for the repair should be sourced from ETKA/ELSA.

Important Warnings

Owners should be aware of the warranty implications for this service. If your vehicle is no longer covered by warranty, this Technical Service Bulletin is for informational purposes only, meaning the repair costs may not be covered.

Warranty Information

This repair is covered under Audi's warranty policies. For claims related to this TSB, technicians must use the following codes:

• Service Number: 9145
• Damage Code: 0020

Warranty coverage typically extends up to 48 months or 50,000 miles. For Certified Pre-Owned (CPO) vehicles, claim type G10 applies, requiring owner verification.

Bulletin History

This Technical Service Bulletin, reference number 91 24 17 2072457/3, was most recently revised on June 12, 2024. It supersedes previous bulletin 91 24-84, dated March 8, 2024. The revisions included updates to the header, adding MY24 Q7, and clarifying the condition and title.

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Source: NHTSA ID: 11002913